frost formation 中文意思是什麼

frost formation 解釋
結霜
  • frost : n 1 霜；霜柱；結霜；冰凍，嚴寒；冰點以下的溫度。2 （態度、感情等的）冷淡，冷酷。3 〈俚語〉（演劇...
  • formation : n. 1. 構成，形成；設立；編制。2. 組織，構造；形態；形成物，構造物；【軍事】編隊，隊形；兵團。3. 【地質學；地理學】層；組； 【生物學】社區；（植物）群系。adj. -al
  1. Meso - scale visual observation of frost formation on cold surfaces

    冷表面結霜的微細觀可視化研究
  2. The research of high performance pavement concrete ( hppc ) is done in two sides. one is mixture design, the other is pavement performance. the mixture design and design flowchart of hppc is given on the base of nc with the consideration of characteristic of both hppc and nc. the grow law, influencing factor and formation mechanism of hppc strength is analisised by perpendicular experiment. in the same, the fatigue equations are set up for hppc and hppc i on the base of fatigue experiment. the fatigue mechanism of hppc is analysised by damage mechanics and fracture mechanics. brittleness, frost resistance and abrasion resistance of hppc is researched with the camparition to nc i. at last, the economic analysis of hppc is done by two kinds of way

    結合高性能混凝土與普通路面混凝土的特點，提出了建立在普通路面混凝土基礎上的高性能路面混凝土配合比設計方法，給出了設計流程；通過正交試驗（強度試驗） ，分析了高性能路面混凝土的強度發展規律、影響因素與形成機理；同時，根據疲勞試驗結果採用雙參數weibull分佈模型分別建立了高性能路面混凝土和高性能路面混凝土（沒有摻加硅粉）疲勞方程，應用損傷力學和斷裂力學，分析了高性能路面混凝土的疲勞機理；並採用了對比分析方法，研究了高性能路面混凝土的脆性、抗凍性和耐磨性等。
  3. Influences of surface characteristics on frost formation on vertical cold plate with electric field

    電場作用下豎直板表面特性對霜層生長的影響
  4. Abstract : the paper presents a theoretical study on the thermal conductivity of frost formation on cooled flat plate under forced convection. taking the porous meditum as a physical model of frost layer, according to the theories of heat and mass transfer, the formula on heat conductivty of frost formation is derived

    文摘:研究水蒸汽凝華結霜過程在冷壁上形成的霜層的導熱系數，依據隨機管子多孔介質霜層模型，假設霜層是由孔隙空間與冰晶骨架構成的多孔介質，其中孔隙空間由隨機毛細管及連接管子的接頭形成，濕空氣中的水蒸汽在霜層的孔隙空間中擴散輸運並凝華結霜，根據傳熱傳質學理論，導出霜層導熱系數關系式。
  5. Analysis is made on the formation of the frost injury and given the countermeasures

    本文分析了凍害形成的原因，提出了凍害防治措施。
  6. Experimental study of the frost formation

    霜層導熱系數的實驗研究
  7. Abstract : the paper presents a experimental study on thermal conductivity of frost formation through sublimation of water vapor. the experinmentals shows the results in reference 4 is curect

    文摘:實驗研究水蒸汽凝華結霜過程中在冷壁面上形成的霜層的導熱系數，並以此驗證作者曾提出的霜層導熱系數的理論結果
  8. We identified eight different frost crystal patterns under various experiment conditions. frost formation on cold surface is a typical interface phenomenon, so the cold surface characteristics should have an important influence on the process of frost formation

    冷壁面上著霜在很大程度上是一種界面現象，因此，冷壁面的性狀必然會對著霜過程產生重要影響。
  9. A beam of light is directed on to the mirror and the reflected beam is monitored electronically in order to detect and control the formation of dew or frost

    一束光線會直接射在鏡片上，而反射的光線會受電子儀器監察，以測出及控制露珠及霜的形成。
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